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1 | package be.nikiroo.jvcard.tui.panes; |
2 | ||
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3 | import java.util.LinkedList; |
4 | import java.util.List; | |
5 | ||
7da41ecd | 6 | import be.nikiroo.jvcard.launcher.Main; |
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7 | import be.nikiroo.jvcard.resources.ColorOption; |
8 | import be.nikiroo.jvcard.resources.StringId; | |
e119a1c1 | 9 | import be.nikiroo.jvcard.tui.UiColors; |
f06c8100 | 10 | import be.nikiroo.utils.StringUtils; |
fae07ea7 | 11 | |
9c8baf0c | 12 | import com.googlecode.lanterna.TextColor; |
296a0b75 | 13 | import com.googlecode.lanterna.gui2.AbstractListBox.ListItemRenderer; |
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14 | import com.googlecode.lanterna.gui2.ActionListBox; |
15 | import com.googlecode.lanterna.gui2.Direction; | |
16 | import com.googlecode.lanterna.gui2.LinearLayout; | |
17 | import com.googlecode.lanterna.gui2.TextGUIGraphics; | |
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18 | |
19 | abstract public class MainContentList extends MainContent implements Runnable { | |
20 | private ActionListBox lines; | |
21 | ||
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22 | /** |
23 | * This class represent a part of a text line to draw in this | |
24 | * {@link MainContentList}. | |
25 | * | |
26 | * @author niki | |
27 | * | |
28 | */ | |
0b0b2b0f | 29 | public class TextPart { |
9c8baf0c | 30 | private String text; |
e119a1c1 | 31 | private ColorOption element; |
9c8baf0c | 32 | |
e119a1c1 | 33 | public TextPart(String text, ColorOption element) { |
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34 | this.text = text; |
35 | this.element = element; | |
36 | } | |
37 | ||
38 | public String getText() { | |
39 | return text; | |
40 | } | |
41 | ||
e119a1c1 | 42 | public ColorOption getElement() { |
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43 | return element; |
44 | } | |
45 | ||
46 | public TextColor getForegroundColor() { | |
47 | if (element != null) | |
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48 | return UiColors.getForegroundColor(element); |
49 | return UiColors.getForegroundColor(ColorOption.DEFAULT); | |
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50 | } |
51 | ||
52 | public TextColor getBackgroundColor() { | |
53 | if (element != null) | |
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54 | return UiColors.getBackgroundColor(element); |
55 | return UiColors.getBackgroundColor(ColorOption.DEFAULT); | |
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56 | } |
57 | } | |
58 | ||
2a96e7b2 | 59 | public MainContentList() { |
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60 | super(Direction.VERTICAL); |
61 | ||
62 | lines = new ActionListBox(); | |
63 | ||
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64 | lines.setListItemRenderer(new ListItemRenderer<Runnable, ActionListBox>() { |
65 | /** | |
66 | * This is the main drawing method for a single list box item, it | |
67 | * applies the current theme to setup the colors and then calls | |
68 | * {@code getLabel(..)} and draws the result using the supplied | |
69 | * {@code TextGUIGraphics}. The graphics object is created just for | |
70 | * this item and is restricted so that it can only draw on the area | |
71 | * this item is occupying. The top-left corner (0x0) should be the | |
72 | * starting point when drawing the item. | |
73 | * | |
74 | * @param graphics | |
75 | * Graphics object to draw with | |
76 | * @param listBox | |
77 | * List box we are drawing an item from | |
78 | * @param index | |
79 | * Index of the item we are drawing | |
80 | * @param item | |
81 | * The item we are drawing | |
82 | * @param selected | |
83 | * Will be set to {@code true} if the item is currently | |
84 | * selected, otherwise {@code false}, but please notice | |
85 | * what context 'selected' refers to here (see | |
86 | * {@code setSelectedIndex}) | |
87 | * @param focused | |
88 | * Will be set to {@code true} if the list box currently | |
89 | * has input focus, otherwise {@code false} | |
90 | */ | |
d5260eeb | 91 | @Override |
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92 | public void drawItem(TextGUIGraphics graphics, |
93 | ActionListBox listBox, int index, Runnable item, | |
94 | boolean selected, boolean focused) { | |
95 | ||
96 | // width "-1" to reserve space for the optional vertical | |
97 | // scroll bar | |
98 | List<TextPart> parts = MainContentList.this.getLabel(index, | |
99 | lines.getSize().getColumns() - 1, selected, focused); | |
100 | ||
101 | int position = 0; | |
102 | for (TextPart part : parts) { | |
103 | graphics.setForegroundColor(part.getForegroundColor()); | |
104 | graphics.setBackgroundColor(part.getBackgroundColor()); | |
105 | ||
106 | String label = StringUtils.sanitize(part.getText(), | |
7da41ecd | 107 | Main.isUnicode()); |
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108 | |
109 | graphics.putString(position, 0, label); | |
110 | position += label.length(); | |
111 | } | |
112 | } | |
113 | }); | |
114 | ||
115 | addComponent(lines, | |
116 | LinearLayout.createLayoutData(LinearLayout.Alignment.Fill)); | |
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117 | } |
118 | ||
119 | /** | |
120 | * Add an item to this {@link MainContentList}. | |
121 | * | |
122 | * @param line | |
123 | * the item to add | |
124 | */ | |
125 | public void addItem(String line) { | |
126 | lines.addItem(line, this); | |
127 | } | |
9c8baf0c | 128 | |
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129 | /** |
130 | * Delete the given item. | |
131 | * | |
132 | * Remark: it will only delete the first found instance if multiple | |
133 | * instances of this item are present. | |
134 | * | |
135 | * @param line | |
136 | * the line to delete | |
137 | * | |
138 | * @return TRUE if the item was deleted | |
139 | */ | |
140 | public boolean removeItem(String line) { | |
141 | boolean deleted = false; | |
142 | ||
143 | List<Runnable> copy = lines.getItems(); | |
144 | for (int index = 0; index < copy.size(); index++) { | |
145 | if (copy.get(index).toString().equals(line)) { | |
146 | deleted = true; | |
147 | copy.remove(index); | |
148 | break; | |
149 | } | |
150 | } | |
151 | ||
152 | int index = getSelectedIndex(); | |
153 | clearItems(); | |
154 | for (Runnable run : copy) { | |
155 | addItem(run.toString()); | |
156 | } | |
157 | setSelectedIndex(index); | |
e119a1c1 | 158 | |
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159 | return deleted; |
160 | } | |
161 | ||
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162 | /** |
163 | * Clear all the items in this {@link MainContentList} | |
164 | */ | |
165 | public void clearItems() { | |
166 | lines.clearItems(); | |
167 | } | |
168 | ||
169 | /** | |
170 | * Get the index of the currently selected line. | |
171 | * | |
172 | * @return the index | |
173 | */ | |
174 | public int getSelectedIndex() { | |
175 | return lines.getSelectedIndex(); | |
176 | } | |
177 | ||
178 | /** | |
179 | * Change the index of the currently selected line. | |
180 | * | |
181 | * @param index | |
182 | * the new index | |
183 | */ | |
184 | public void setSelectedIndex(int index) { | |
185 | lines.setSelectedIndex(index); | |
186 | } | |
296a0b75 | 187 | |
bcb54330 NR |
188 | /** |
189 | * Return the default content separator for text fields. | |
190 | * | |
191 | * @return the separator | |
192 | */ | |
193 | public String getSeparator() { | |
668268fc | 194 | return Main.trans(StringId.DEAULT_FIELD_SEPARATOR); |
bcb54330 | 195 | } |
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196 | |
197 | @Override | |
198 | public void run() { | |
199 | // item selected. | |
200 | // ignore. | |
201 | } | |
202 | ||
203 | @Override | |
204 | public String move(int x, int y) { | |
205 | setSelectedIndex(getSelectedIndex() + x); | |
206 | // TODO: y? | |
207 | return null; | |
208 | } | |
209 | ||
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210 | @Override |
211 | public int getCount() { | |
212 | return lines.getItemCount(); | |
213 | } | |
214 | ||
fae07ea7 | 215 | /** |
9c8baf0c | 216 | * Return the representation of the selected line, in {@link TextPart}s. |
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217 | * |
218 | * @param index | |
219 | * the line index | |
220 | * @param width | |
221 | * the max width of the line | |
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222 | * @param selected |
223 | * TRUE if the item is selected | |
224 | * @param focused | |
225 | * TRUE if the item is focused | |
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226 | * |
227 | * @return the text representation | |
228 | */ | |
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229 | protected List<TextPart> getLabel(int index, |
230 | @SuppressWarnings("unused") int width, boolean selected, | |
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231 | boolean focused) { |
232 | List<TextPart> parts = new LinkedList<TextPart>(); | |
233 | ||
234 | if (selected && focused) { | |
235 | parts.add(new TextPart("" + lines.getItems().get(index), | |
e119a1c1 | 236 | ColorOption.CONTACT_LINE_SELECTED)); |
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237 | } else { |
238 | parts.add(new TextPart("" + lines.getItems().get(index), | |
e119a1c1 | 239 | ColorOption.CONTACT_LINE)); |
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240 | } |
241 | ||
242 | return parts; | |
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243 | } |
244 | } |